Violence is on the rise, and police officers are at loggerheads withthe Rio state government after claiming they've not been paid for months.

The message from police to tourists is clear: We won't be able to protect you.

The state's police officers vented their anger Monday with a sign saying, "Welcome to Hell," outside Rio's main airport. "Police and firefighters don't get paid, whoever comes to Rio de Janeiro will not be safe," the sign said.

And it's not just those coming from abroad who may be in danger -- locals are losing patience, too.

That's the harsh reality in the favelas around Rio, according to one resident, as the city gears up to host the 2016 Olympics amid increasing concerns over police brutality and the officers' ability, and desire, to keep people safe.

Someone will have something to gripe about this year, and someone else will have a great time, and the story of the Olympics will be someone who no one thought could do anything winning a medal they weren't supposed to win. Really, the media could write these stories again and again and no one would notice.